The Denver Mercury Slam happens every Sunday night at the Mercury Cafe 2199 California St, Denver, CO 80205 (corner of 22nd and California). Sign up is at 7:30. The open mic begins at 8pm, followed by the feature (if applicable), and the slam. On the second Sunday of the month is a Denver Minor Disturbance youth slam (ages 13-19). The open mic is always open to all ages. We request a $5 suggested donation, but only enforce a cover for certain special events.